哈尔滨商业大学学报 自然科学版 第 38 卷 第 2 期 ic capacity of ， intersections． In the case of uneven traffic flow at the intersection using the traditional ， Webster timing method will cause the phenomenon of “empty release”of some phases ， resulting in a waste of green light time． In order to solve this problem on the basis of ， ， Webster timing optimization the timing method of overlap phase was introduced and the VISSIM simulation software was used to simulate the actual plane intersection． The test results showed that the use of the overlapping phase timing method had a significant effect on ， the entrance road with serious congestion in the morning peak and the number of vehicles passing through the motor vehicle and non-motor vehicle was increase
